The software giant let its lease expire recently on one of the three buildings it inhabits in the campus.

It was unclear what effect the departure would have on the local economy. City officials said they could not disclose how many employees worked within the property.

“Our employment numbers we get from the Department of Revenue,” Economic Development Manager Andrea Lehner wrote in an email. “In order to get this information from them, we must sign an agreement requiring nondisclosure of, among many things, employee numbers.”

She said the city expects some change to financial numbers, but highlighted what she viewed as positive signs within Issaquah’s economy.